arXiv 0912.53752009-12-29hep-ph

质子衰变与大统一

Proton decay and grand unification

Goran Senjanovic

备注：: Based on the plenary talks at the SUSY09 and PASCOS09 conferences
发表信息：: AIP Conf.Proc.1200:131-141,2010
DOI：: 10.1063/1.3327552

摘要：

本文综述了质子衰变理论和实验的研究现状。关于理论，我主要关注，但不仅仅是大统一。我只讨论最小的，建立良好的SU（5）和SO（10）模型，普通和超对称。我展示了如何最小的现实扩展的原始Georgi-Pasthow模型可以导致有趣的LHC物理，我证明了最小的超对称SU（5）理论与实验是完全一致的。由于没有普遍接受的模型尚未出现，我讨论的有效运营商分析质子衰变和一些相关的预测，从高尺度的基础理论。一个强有力的情况下，实验极限的改善，或更好的搜索，两个体中子衰变模式到带电的K介子和带电的轻子。它们的发现必然意味着低能物理，因为它们在能量介于M_W和M_GUT之间的任何理论中几乎消失。

英文摘要：

I review the theoretical and experimental status of proton decay theory and experiment. Regarding theory, I focus mostly, but not only, on grand unification. I discuss only the minimal, well established SU(5) and SO(10) models, both ordinary and supersymmetric. I show how the minimal realistic extensions of the original Georgi - Glashow model can lead to interesting LHC physics, and I demonstrate that the minimal supersymmetric SU(5) theory is in perfect accord with experiment. Since no universally accepted model has of yet emerged, I discuss the effective operator analysis of proton decay and some related predictions from a high scale underlying theory. A strong case is made for the improvement of experimental limits, or better the search of, two body neutron decay modes into charged kaons and charged leptons. Their discovery would necessarily imply a low energy physics since they practically vanish in any theory with a desert in energies between M_W and M_GUT.

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英文摘要：

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